Decorative case for an MP3 player device



FIG. 1 is a perspective view of the decorative case for an MP3 player device showing my new design;

FIG. 2 is front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a right side view thereof, the left side view thereof being a mirror image;

FIG. 5 is a top view thereof;

FIG. 6 is a bottom view thereof;

FIG. 7 is a perspective view of the decorative case illustrating in phantom optional lights and edges visible beneath the front surface of the decorative case; and,

FIG. 8 is a front view thereof.

The broken line showing of environment in the drawings is included for the purpose of illustrating only and forms no part of the claimed design. 

The ornamental design for a decorative case for an MP3 player device, as shown and described. 